ACCRUED EXPENSES (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
ACCRUED EXPENSES.
Accrued salaries, wages and related benefits	$ 9,838	$ 8,341
Progressive slot machine and other gaming accruals	9,935	10,295
Accrued gaming taxes	2,607	2,588
Accrued interest	6	3
Other accrued liabilities	3,020	2,568
Accrued expenses	$ 25,406	$ 23,795